SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
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SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
2026/5/5
The OPA2347UA/2K5G4 is a dual-channel general-purpose operational amplifier developed by Texas Instruments, belonging to the microPOWER™ series. It features ultra-low power consumption, rail-to-rail output and excellent signal amplification performance, widely applied in various low-power electronic signal processing scenarios.
Category:Integrated Circuits (ICs),Linear,Amplifiers,Instrumentation, Op Amps, Buffer Amps
Mfr:Texas Instruments
Series:microPOWER™
Packaging:Tape & Reel
Amplifier Type:Standard (General Purpose)
Output Type:Rail-to-Rail
Slew Rate:0.17V/µs
Gain Bandwidth Product:350 kHz
Current - Input Bias:0.5 pA
Voltage - Input Offset:2 mV
Current - Supply:20µA (x2 Channels)
Current - Output / Channel:17 mA
Voltage - Supply Span (Min):2.3 V
Voltage - Supply Span (Max):5.5 V
Operating Temperature:-55°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Ultra-low Power Consumption:With a supply current of only 20µA for two channels, the OPA2347UA/2K5G4 is highly energy-efficient, making it perfectly suitable for battery-powered and portable electronic devices that demand long-term stable operation with minimal power consumption.
Rail-to-Rail Output:It adopts a rail-to-rail input and output design, allowing the output signal to swing extremely close to the positive and negative supply voltage rails. This maximizes the signal dynamic range and ensures high fidelity of the amplified signal, which is critical for precision signal processing.
Ultra-low Input Bias Current:Boasting an input bias current as low as 0.5 pA, the amplifier minimizes interference to the input signal source, significantly improving the accuracy of weak signal amplification. It is particularly suitable for high-impedance sensor signal acquisition and precision measurement scenarios.
Low Input Offset Voltage:With an input offset voltage of only 2 mV, the device reduces signal distortion during amplification, ensuring the stability and accuracy of the output signal, which is essential for precision operational amplifier applications.
Compact Surface Mount Package:Encased in an 8-SOIC (0.154", 3.90mm Width) surface mount package, it features a small size, easy PCB installation and excellent compatibility, making it ideal for miniaturized electronic products and dense circuit designs.
Smoke Detectors:Applied in the signal amplification circuit of smoke detectors, amplifying the weak current signal generated by the smoke sensor when smoke is detected, ensuring timely and accurate activation of the alarm to improve safety performance.
Portable Blood Glucose Meters:Used in portable blood glucose meters to amplify the weak electrical signal produced by the reaction between blood glucose and test strips. Its low power consumption meets the battery-powered requirement, while its high precision ensures accurate blood glucose measurement results.
Handheld Multimeters:Integrated into handheld digital multimeters, it amplifies the small input signals from test probes, enabling the multimeter to accurately measure voltage, current and resistance. Its low power consumption helps extend the battery life of the handheld device.
CO Detectors:Utilized in carbon monoxide (CO) detectors, amplifying the weak signal from the CO sensor to a measurable range, ensuring the detector can quickly and accurately respond to dangerous CO concentrations and issue warnings in a timely manner.
2-Wire Transmitters:Applied in 2-wire transmitters,amplifying the sensor signal and ensuring stable signal transmission over long distances,adapting to industrial field application needs.
The OPA2347UA/2K5G4 is a high-performance, low-power general-purpose operational amplifier from Texas Instruments’ microPOWER™ series. With its excellent electrical parameters, stable performance and compact package, it is well-suited for a wide range of low-power, precision and miniaturized electronic applications, providing reliable support for signal amplification and processing.